Companies/JP/4833

DEF CONSULTING, INC. · 株式会社Def consulting

Executives 2Directors 5Avg age 49Avg tenure 4.9y

Age 40Since 2023-03-07Profile →

Executives2

Age 40Since 2023-03-07

Masakazu Iwasaki

Chief Administrative Officer

Age 37Since 2020-09-30

Board of directors5

Masatoshi Kaminiwa

Director/Board Member

Age 44Since 2019-12-31

Keiichi Kubo

Director/Board Member

Age 72Since 2020-05-31

Masato Mouri

Director/Board Member

Age 70Since 2020-05-31

Director/Board Member

Age 40Since 2023-03-07

Keisuke Uenozono

Director/Board Member

Age 42Since 2023-02-28

Shareholders5

Name	Stake	Shares
Kurahashi Family	1.649 %	1,197,300
Yuta Shimomura	0.8923 %	647,819
Keisuke Agenosono	0.8236 %	597,986
West Wood Capital KK	0.6547 %	475,300
X Capital Godo Kaisha	0.6547 %	475,300

Catalog · 2026-07-09

Registry officers7

Name	Role	Since	Shares
Masakazu Iwasaki	Chief Administrative Officer	2020-09-30	-
Yuta Shimomura	President	2023-03-07	-
上之園圭介	取締役	2021-06-01	-
下村優太	代表取締役社長	2023-03-01	-
久保惠一	取締役(監査等委員)	2009-04-01	-
神庭雅俊	取締役(監査等委員)	2020-01-01	-
長田忠千代	取締役(監査等委員)	2014-05-01	-

Registry · as of 2026-07-09